Cash, Cash Equivalents, and Marketable Securities Available for Sale Securities (Details) - Operating Segments - Company excluding Ford Credit - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-sale, Amortized Cost	$ 13,065		$ 15,270
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2		42
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(370)		(80)
Debt Securities, Available-for-sale	12,697		15,232
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	3,361		5,175
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	9,137		9,821
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value	199		236
Sales proceeds	4,004	$ 2,880
Gross realized gains	6	13
Gross realized losses	6	$ 2
U.S. government
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-sale, Amortized Cost	2,910		3,821
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0		12
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(79)		(14)
Debt Securities, Available-for-sale	2,831		3,819
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	935		1,360
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	1,874		2,435
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value	22		24
U.S. government agencies
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-sale, Amortized Cost	2,220		2,249
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0		2
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(78)		(21)
Debt Securities, Available-for-sale	2,142		2,230
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	427		316
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	1,629		1,802
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value	86		112
Non-U.S. government and agencies
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-sale, Amortized Cost	2,384		2,599
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0		6
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(82)		(21)
Debt Securities, Available-for-sale	2,302		2,584
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	441		854
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	1,847		1,708
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value	14		22
Corporate debt
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-sale, Amortized Cost	5,290		6,373
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2		21
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(125)		(23)
Debt Securities, Available-for-sale	5,167		6,371
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	1,558		2,645
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	3,601		3,726
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value	8		0
Other marketable securities
Debt Securities, Available-for-sale [Abstract]
Debt Securities, Available-for-sale, Amortized Cost	261		228
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0		1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(6)		(1)
Debt Securities, Available-for-sale	255		228
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value	0		0
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value	186		150
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value	$ 69		$ 78

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in rolling sixth through tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year through fifth year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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